partition是什么意思?

英语翻译
非常抱歉再次打扰你,我们公司非常需要Partition Cover Gasket,能否确认此份订单,以及做一份PROFORMA INVOICE,以便我司安排预付款,

英语翻译
wipe cache partition
backup user data
restore user data 帮忙翻译成中文

把2n个人分成n个2人组的分法
the number of ways to partition a set of order 2n into n parts of order 2.
(2n)!/(2^n)(n!) 问题是不大明白除以n!的意义.知道应该要这样除来排除重复.但是能否用比较易懂的语言帮我解释一下

row_number() over (partition by name,kecheng,score order by rowid) 这个该怎么理解：
row_number() over（partition by name,kecheng,score

有机化学文献中,Brine、partition
本人在做有机合成（好吧,好像很高级的样子,其实很水啦）,文献里有个句子没看懂,Solvents were removed under reduced pressure,and the residue was partitioned between EtOAc and brine.The EtOAc extract was washed with brine,dried ,filtered,and concentrated to 5.0 g (94%) of clear oil.加粗的地方不清楚啊 1.Brine是啥?2.partition是啥意思不懂啊.x09谢谢了,

翻译?
your computer has ntfs partition which may require large drive support. if you are using another operating system,such as windows NT, which supports large drives you should enable treating these partitions as large.
NOTE:if you answer y and the partition display looks incorrect or a hang or crash occurs do nothing,run fdisk again,and answer n to this question
should ntfs partitions on all drives be treated as large (y/n)?

英语翻译
Do you wish to use the maximum size for a DOS partition and make the DOS partition active (Y/N)...

英语翻译
ventilation shaft
partition wall
skirting board
penthouse
lounge
fireplace
gutter flat roof

英语翻译
sfdisk doesn't understand GUID partition Table(GPT)and it is not designed for large partitions.In particular case use more advanced GNU parted

英语翻译
蜗杆的
single number of teeth mistake for axial partition les-than sign=0.07
pitch mistake within the spiral walk les-than sign=0.012
pitch mistake on the total length les-than sign=0.02
涡轮的
single number of teeth mistake les-than sign =0.01
sum number of teeth mistake les-than sign=0.04
你的答案让我很郁闷。如果是用软件翻译的话我就不用在这里提问了。你是来混分的，我宁愿把分扔掉也不给你！